Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@pb.cz

Registro IPv4
host: pb.cz
class: IN
ttl: 300
type: A
ip: 185.102.21.169

Servidores DNS Principal (mname) y Secundario (rname)
host: pb.cz
class: IN
ttl: 300
type: SOA
mname: ns1.internetpb.cz
rname: hostmaster.pb.cz
serial: 2026022603
refresh: 300
retry: 300
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: pb.cz
class: IN
ttl: 300
type: MX
pri: 200
target: smx.pb.cz

Servidor de Correo
host: pb.cz
class: IN
ttl: 300
type: MX
pri: 100
target: devil.pb.cz

Información TXT
host: pb.cz
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx include:_spf.pb.cz include:_spf.google.com include:spf.protection.outlook.com include:_spf.centrum.cz ~all
entries: Array